About the Authors

Kevin Croke

Affiliations World Bank, Washington DC, United States of America, Harvard T. H Chan School of Public Health, Boston, Massachusetts, United States of America

Joan Hamory Hicks

Affiliation Center for Effective Global Action, University of California, Berkeley, Berkeley, California, United States of America

Eric Hsu

Affiliation Department of Economics, University of California, Berkeley, Berkeley, California, United States of America

Michael Kremer

Affiliation Department of Economics, Harvard University, Cambridge, Massachusetts, United States of America

Edward Miguel

emiguel@berkeley.edu

Affiliation Department of Economics, University of California, Berkeley, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist. Michael Kremer declares that he is a former board member of Deworm the World, a United States non-profit organization. He has received no funding from Deworm the World. He is also a part-time employee of United States Agency for International Development (USAID), which financially supports deworming activities. This paper was written in his academic capacity and USAID had no influence over the writing of this paper.